GRASSHOPPERS IN RELATION TO PLANT ASSOCIATIONS. 179 



Blatchley, W. S. 



'98 Two New Melanopli from Les Cheneaux Islands, Michigan. Psyche, 8: 



I 95-*97- (Habitat of Melanoplus islandicus.) 



'02 The Orthoptera of Indiana. 27th Ann. Rep. Dept. Geol. and Nat. Re- 

 sources: 123-471. 

 Forbes, S. A. 



'09 The General Entomological Ecology of the Indian Corn Plant. Am. Nat., 



43: 286-301. 

 Gates, F. C. 



"u Summer Bird Life in the Vicinity of Havana, Illinois, in its Relation to 



the Prominent Plant Associations. Wilson Bull. No. 74: 1-27. 

 '13 The Vegetation of the Region in the Vicinity of Douglas Lake, Cheboygan 



County, Michigan, 1911. Mich. Acad. Sci., 14: 46-107. 

 Gleason, H. A. 



'08 The Ecological Relations of the Invertebrate Fauna of Isle Royale, Michi- 

 gan. In Adams, 1908: 57-78. 

 '10 The Vegetation of the Inland Sand Deposits of Illinois. Bull. 111. State 



Lab. Nat. Hist., 9: 23-174. 

 Hart, C. A., and Gleason, H. A. 



'07 On the Biology of the Sand Areas of Illinios. Bull. 111. State Lab. Nat. 



Hist., 7: 137-272. 

 Hancock, J. L. 



'n Nature Sketches in Temperate America. Chicago. 

 Lugger, O. 



'97 The Orlhoptera of Minnesota. Bull. No. 55, Agr. Exp. Sta. Minn.: 91-386. 

 Morse, A. P. 



'04 Researches on North American Acridiidx. Carnegie Inst. Wash., Publ. 



No. 18: 7-55. 

 '06 The Ecological Relations of the Orthoptera in the Porcupine Mountains, 



Michigan. In Adams, 1906: 68-72. 

 '07 Further Researches on North American Acridiidce. Carnegie Inst. Wash., 



Publ. No. 68: 3-54. 

 '08 Report on the Isle Royale Orthoptera of the 1905 Expedition. In Adams, 



1908: 299-303. 

 Rehn, J. A. G. 



'04 Notes on the Orthoptera of the Keweenaw Bay Region of Baraga County, 



Michigan. Ent. News, 15: 229-236, 263-270. 

 Ruthven, A. G. 



'n A Biological Survey of the Sand Dune Region on the South of Saginaw 



Bay, Michigan. Mich. Geol. and Biol. Surv., Publ. 4, Biol. Ser. 2. 

 Scudder, S. H. 



'98 Revision of the Orthopteran Group Melanopli (Acridiidce), with Special 



Reference to North American Forms. Proc. U. S. N. M., 20: 1-421. 

 Shelford, V. E. 



'07 Preliminary Note on the Distribution of the Tiger Beetles (Cicindela) 



and its Relation to Plant Succession. Biol. Bull., 14: 9-14. 

 'n Physiological Animal Geography. Jour. Morph., 22: 551-618. 

 'iaa Ecological Succession. IV. Vegetation and the Control of Land Animal 

 Communities. Biol. Bull., 23: 59-99. 



